AI illustration: 80-90% odds a Falcon 9 lands and reflies within a year (2014)
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First Falcon 9 landing & reflight: Elon's 2014 odds, graded

Elon Musk gave 80–90% odds that a Falcon 9 would land and refly by Oct 24, 2015. It happened, but 1.4 years late.

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“It's probably maybe not more than a fifty percent chance or less of landing it on the platform for the first time, but there's a lot of launches that will occur over the next year — there's at least a dozen launches that will occur over the next 12 months — and I think it's quite likely, probably 80, 90 percent likely, that one of those flights will be able to land and refly.”
— Elon Musk · Oct 24, 2014 · Elon Musk at the MIT AeroAstro Centennial Symposium, Oct 24 2014 (full session recording) 10:55 ↗
Video: Elon Musk at the MIT AeroAstro Centennial Symposium, Oct 24 2014 (full session recording)
▶ WATCH HIM SAY IT @ 10:55 — ELON MUSK AT THE MIT AEROASTRO CENTENNIAL SYMPOSIUM, OCT 24 2014 (FULL SESSION RECORDING)
What actually happened

Musk gave '80-90% odds' a Falcon 9 would land and refly within a year (by ~Oct 2015). Neither happened in that window, but SpaceX landed a Falcon 9 first stage Dec 22, 2015 and reflew a recovered booster March 30, 2017 — the predicted capability was achieved, roughly 17 months to 2.5 years late. Reusable boosters are now routine. Space.com: SpaceX launches and lands a reused Falcon 9 (Mar 30, 2017) ↗

The Progression

Oct 24, 2014
The promise: “It's probably maybe not more than a fifty percent chance or less of landing it on the platform for the first time, but there's a lot of launches that will occur over the next year — there's at least a dozen launches that will occur over the next 12 months — and I think it's quite likely, probably 80, 90 percent likely, that one of those flights will be able to land and refly.” · Elon Musk at the MIT AeroAstro Centennial Symposium, Oct 24 2014 (full session recording) 10:55 ↗
Mar 30, 2017
Delivered · Late — 1.4 years late. Musk gave '80-90% odds' a Falcon 9 would land and refly within a year (by ~Oct 2015). Neither happened in that window, but SpaceX landed a Falcon 9 first stage Dec 22, 2015 and reflew a recovered booster March 30, 2017 — the predicted capability was achieved, roughly 17 months to 2.5 years late. Reusable boosters are now routine. Space.com: SpaceX launches and lands a reused Falcon 9 (Mar 30, 2017) ↗
Today · Oct 14, 2026
Status: Delivered · Late · 1.4 years late. It happened — eventually.

At MIT's AeroAstro Centennial Symposium in October 2014, before any Falcon 9 landing had ever been attempted on the new drone ship, Musk handicapped the odds: under 50% for the first barge attempt, but 80-90% that one of the next dozen launches would land AND refly within 12 months. The landing came 14 months later and the first re-flight took until March 2017 — the prediction's spirit eventually proved spectacularly right, just on a 2.5x timeline.

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Questions about First Falcon 9 Landing

What did Elon Musk promise about First Falcon 9 Landing?

On Oct 24, 2014, Elon Musk said: “It's probably maybe not more than a fifty percent chance or less of landing it on the platform for the first time, but there's a lot of launches that will occur over the next year — there's at least a dozen launches…” (source).

Did it happen?

Musk gave '80-90% odds' a Falcon 9 would land and refly within a year (by ~Oct 2015). Neither happened in that window, but SpaceX landed a Falcon 9 first stage Dec 22, 2015 and reflew a recovered booster March 30, 2017 — the predicted capability was achieved, roughly 17 months to 2.5 years late. Reusable boosters are now routine. (Space.com: SpaceX launches and lands a reused Falcon 9 (Mar 30, 2017))

SpaceX’s record

Delivered
31
38% of resolved claims delivered.
Missed
51
Deadline passed, still no-show.
Still open
42
On the clock now. All 124 SpaceX claims →

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